Where does “boakäärme” come from?
boakäärme (Finnish) comes from Finnish käärme, from Proto-Finnic kärmeh, from Proto-Finnic kärmeš, from Proto-Balto-Slavic kr̥mis, from Proto-Indo-European kʷŕ̥mis — worm.
boakäärme (Finnish): boa, boid
Ancestry of “boakäärme”, step by step